i'm margaret warner. >> brown: and i'm jeffrey brown. we'll see you online and again here tomorrow evening with mark shields and david brooks among others. thank you and good night. >> major funding for the pbs newshour has been provided by: >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org >> this is n.b.r. >> susie: good evening. i'm susie gharib. tom hudson will be along a little later in the program. a positive turn in the fiscal cliff crisis. house republicans agree to meet sunday night to resume talks after a day of finger-pointing and complaining in washington. on wall street, fiscal fears created whiplash for investors: a big stock market sell-off and then bounce back on word that lawmakers are springing back into action. and, if you used your smartphone to shop this christmas, you're in fashion. it was the year's top retai